CN216812306U - Vibration reduction assembly and fan - Google Patents

Abstract

The utility model discloses a vibration damping assembly and a fan, wherein the vibration damping assembly comprises a slotted hole and a vibration damping support, the vibration damping support wraps the outside of a power device and is attached to the outer wall of the power device, a vibration damping pad wraps the outside of the vibration damping support, and the outer wall of the vibration damping pad is sleeved in the slotted hole. According to the vibration damping assembly, the power device is arranged on the vibration damping support to form a first stage through a hierarchical structure, the vibration damping support is integrally arranged in the slotted hole of the handpiece support to form a first stage, and the two stages are separately arranged and separated by the vibration damping pad, so that the aim of damping vibration is fulfilled.

Description

Vibration reduction assembly and fan

Technical Field

The utility model belongs to the field of vibration reduction, and particularly relates to a vibration reduction assembly and a fan.

Background

The fan is used as the most commonly used living electric appliance in family life, the application range is wide, the number of the used groups is large, and the market demand is relatively stable. But also with the increase of competitiveness, the development of the current fans tends not only to be diversified, but also to be energy-saving, low-consumption and light.

Regarding the floor fan, the basic structure is the same, and the floor fan is roughly divided into a machine head assembly, a machine body assembly, and a front and rear net cover structure of the fan. The fan blades in the net cover are driven to rotate through the motor on the machine head, so that physical cooling is realized. On the innovative design of the floor fan, cost reduction and energy conservation are taken as the preferred scheme. Therefore, the floor fan can be converted from an alternating current motor scheme to a direct current motor scheme, so that the cost is reduced and the energy is saved.

However, the operation of the dc motor may resonate with the handpiece, which causes a problem of noise and vibration.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vibration reduction assembly and a fan, which aim to solve the technical problem of noise vibration in the background technology.

In order to achieve the purpose, the specific technical scheme of the vibration reduction assembly and the fan is as follows:

according to the scheme, after the scheme of the floor fan is changed, on the premise that the advantages of the direct current motor are guaranteed, the influence caused by negative factors is reduced through the structural improvement scheme, and the problem of vibration noise of the direct current motor can be effectively solved through the vibration reduction scheme

A vibration damping assembly comprises a slotted hole and a vibration damping support, wherein the vibration damping support wraps the outside of a power device and is attached to the outer wall of the power device, a vibration damping pad wraps the outside of the vibration damping support, and the outer wall of the vibration damping pad is sleeved in the slotted hole.

Furthermore, the vibration reduction support is provided with an opening, and the opening is used for the power device to be sleeved in.

Furthermore, one side of the vibration damping support with the opening is inserted into the slotted hole, so that the end face of the vibration damping support is flush with the slotted hole.

Furthermore, the slotted hole is arranged on the machine head support, the machine head support is fixedly connected with a cover cap, and the cover cap seals the slotted hole; the cover cap is connected with the vibration damping support in an abutting mode through the vibration damping pad to fix the power device.

Furthermore, one end of the power device is provided with a main board, and the main board, the vibration reduction support and the cover cap are used for an output shaft of the power device to penetrate through.

Furthermore, the damping pad comprises a first pad body and a second pad body which are oppositely arranged, and the first pad body and the second pad body are sleeved outside the damping support from two sides and are mutually spliced so as to be wrapped outside the damping support.

Furthermore, the power device is provided with a mounting boss, and a convex positioning lug is formed on the side surface of the mounting boss; and positioning ribs are formed on the inner side of the end face of the vibration reduction support and clamped on two sides of the positioning lug to fix the power device.

Furthermore, the end face of the vibration reduction support is connected with the positioning lug through a screw.

Furthermore, the inner wall of the groove hole forms a limiting rib which is arranged oppositely, the vibration damping pad is inserted into the groove hole along the limiting rib, and the tail end of the limiting rib is abutted against the outer wall of the vibration damping pad.

A fan comprises the vibration reduction assembly.

The vibration reduction assembly and the fan have the following advantages:

1. according to the vibration reduction scheme, the motor is arranged on the vibration reduction support in a first stage through a hierarchical structure, the vibration reduction support is integrally arranged in a slotted hole of the handpiece support in a first stage, and the two stages are separately arranged and separated by the vibration reduction pad, so that the aim of vibration reduction is fulfilled.

2. Because the original direct current motor is directly installed on the cover of the motor support, vibration is concentrated, the motor is installed on an independent vibration reduction support instead, the whole vibration reduction support is wrapped by a vibration reduction pad and installed with a slotted hole of the handpiece support, the contact area is uniformly dispersed around the whole motor, and the vibration reduction effect is obvious.

Drawings

FIG. 1 is an exploded view of a handpiece in accordance with the present invention;

FIG. 2 is a cross-sectional view of a handpiece of the present invention;

FIG. 3 is a schematic view of the head structure of the present invention (with the cover hidden);

FIG. 4 is a schematic view of the motor and damping pad assembly of the present invention;

FIG. 5 is an exploded view of the handpiece of the present invention (with the cover hidden);

FIG. 6 is a schematic view of the motor structure of the present invention;

FIG. 7 is a schematic view of the damping mount of the present invention;

FIG. 8 is a schematic view of a first pad structure according to the present invention;

FIG. 9 is a schematic view of a second pad body according to the present invention;

FIG. 10 is a schematic view of a handpiece holder configuration of the present invention;

fig. 11 is a schematic view of the structure of the support plate of the present invention.

The notation in the figure is:

1. a handpiece support; 11. a slot; 12. limiting ribs; 13. an outer tank; 2. a vibration damping support; 21. a through hole; 22. positioning ribs; 23. avoiding holes; 24. a terminal groove; 3. a motor; 31. an output shaft; 32. a main board; 321. a capacitor; 33. mounting a boss; 34. positioning the bump; 35. a plug terminal; 4. a first pad body; 41. a port; 5. a second pad body; 6. a cover; 7. a support plate; 71. a support rod.

Detailed Description

For a better understanding of the objects, structure and function of the utility model, a vibration damping assembly and a fan according to the present invention will be described in detail with reference to the accompanying drawings.

The vibration damping assembly is used for damping vibration sources and is used for various devices such as fans, sliding tables and the like which are provided with motors 3 and generate vibration during operation. The structure is specifically described below by taking a fan as an example.

The fan comprises a machine head, a machine body and a base, wherein the machine head is erected on the base through the machine body. The motor 3 is arranged on the machine head, and the fan blades located in the net cover are installed on the output shaft 31 of the motor 3, so that the motor 3 works to enable the fan blades to rotate and drive air to flow.

As shown in fig. 1-5, since the motor 3 is a dc motor 3, in order to reduce the vibration caused by the power device, i.e. the motor 3, a vibration damping assembly with a graded assembly is adopted, and the handpiece support 1 and the vibration damping support 2 are divided into two parts and are isolated by a vibration damping pad. Therefore, the soft connection mode is realized through the damping pad made of rubber, the vibration problem of the direct current motor 3 in the operation process is reduced, the resonance effect of the handpiece support 1 caused by the vibration of the motor 3 is weakened, and the adverse effect of the scheme of the direct current motor 3 is solved.

Specifically, the damping assembly comprises a slotted hole 11 arranged on the handpiece support 1 and a damping support 2 used for arranging the direct current motor 3. Wherein, the side of the vibration reduction bracket 2 far away from the end surface is provided with an opening, and the opening is used for the motor 3 to be sleeved in. The inner wall of the vibration reduction support 2 is matched with the outer wall of the motor 3, so that the vibration reduction support 2 is wrapped outside the power device and is attached to the outer wall of the power device, the vibration reduction support 2 is wrapped with a vibration reduction pad, and the outer wall of the vibration reduction pad is sleeved in the groove hole 11, so that the vibration reduction effect is achieved. Because the vibration reduction support 2 is not directly contacted with the machine head support 1, the vibration reduction is primary vibration reduction, and the consumption is secondary vibration reduction through the vibration reduction pad in the transmission process. Thereby through increasing direct area of contact, by original installation boss 33 contact, trun into whole outsourcing circumference damping, can alleviate local high-frequency vibration more effectively, with motor 3 vibration damping.

As shown in fig. 6, a main board 32 is disposed at one end of the motor 3, and the main board 32 is penetrated by the output shaft 31 of the motor 3. The main board 32 is provided with a mounting boss 33 around the through hole 21, and a protruding positioning bump 34 is formed on the side surface of the mounting boss 33 for mounting and fixing. The main board 32 is further provided with electric components such as a capacitor 321 and the like to meet the normal working requirement of the motor 3. And the edge of the main board 32 is provided with a plug terminal 35 for electrically connecting with the main board 32.

Accordingly, as shown in fig. 7, the damper bracket 2 has a through hole 21 formed in an end surface thereof for the output shaft 31 to pass through. And the inner side of the end surface of the vibration damping bracket 2 is provided with a positioning rib 22, and the positioning rib 22 is clamped at two sides of the positioning lug 34 to fix the motor 3. And the end surface of the vibration damping bracket 2 is screwed with the positioning lug 34, so that the corresponding screw hole is aligned with the round hole while the positioning rib 22 is limited, and the screw connection is completed. The vibration damping support 2 is further provided with an avoidance hole 23, and the avoidance hole 23 avoids the electric device so as to prevent interference. The edge of the vibration damping bracket 2 is formed with a terminal groove 24, and the terminal groove 24 is used for the plug wire terminal 35 to be sleeved in.

Since the terminal groove 24 is protrudingly provided on the side wall of the vibration damping mount 2, the vibration damping pad is difficult to be fitted in at one time. Therefore, as shown in fig. 8 and 9, the damping pad includes a first pad 4 and a second pad 5 which are oppositely disposed, and the first pad 4 and the second pad 5 are sleeved outside the damping bracket 2 from two sides and are mutually spliced to wrap the damping bracket 2. The first pad 4 has a through hole 41, and the through hole 41 is inserted by the terminal groove 24. Of course, more damping pads may be provided, but are not convenient to install, and thus two are generally provided.

As shown in fig. 10, the main body of the vibration damping pad is a cylindrical portion due to the shape of the motor 3, and a convex rectangular portion is formed at a side surface. Therefore, it is necessary to provide the limiting mechanism on both sides of the rectangular portion and on the side of the cylindrical portion close to the rectangular portion. And the inner wall of the slotted hole 11 forms a limiting rib 12 which is arranged oppositely, the vibration damping pad is inserted into the slotted hole 11 along the limiting rib 12, and the tail end of the limiting rib 12 is abutted against the outer wall of the vibration damping pad. And an outer groove 13 is formed on the side wall of the groove hole 11 to expose the plug terminal 35.

One side of the damping support 2, which is provided with an opening, is inserted into the slotted hole 11, so that the end surface of the damping support 2 is flush with the slotted hole 11. The head support 1 is fixedly connected with a cover cap 6 through screws, the cover cap 6 seals the groove hole 11, and the cover cap 6 is abutted against the vibration reduction support 2 through a vibration reduction pad to fix the motor 3.

Referring to fig. 11, in order to mount and fix the head bracket 1, a supporting plate 7 is screwed to one side of the head bracket 1, the supporting plate 7 is provided with a supporting rod 71 penetrating through the head bracket 1, and the supporting rod 71 is connected to the body, thereby fixing the head bracket 1. And the handpiece support 1 is provided with a mounting hole opposite to the support plate 7, and the mounting hole is penetrated by a screwdriver so as to rotate the screw to fix the support plate 7.

In addition, the vibration reduction assembly is not limited to the motor 3, and the vibration reduction assembly is adopted when the mechanism with large vibration is subjected to isolation and vibration resistance.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The damping assembly is characterized by comprising a groove hole and a damping support, wherein the damping support wraps the power device and is attached to the outer wall of the power device, a damping pad wraps the damping support, and the outer wall of the damping pad is sleeved in the groove hole.

2. The damping assembly of claim 1, wherein the damping mount is formed with an opening into which a power device is nested.

3. The damping assembly of claim 2, wherein the side of the damping mount having the opening is inserted into the slot such that the damping mount end surface is flush with the slot.

4. The vibration damping assembly according to claim 1 or 3, wherein the slot is provided on a head support, the head support is fixedly connected with a cover, and the cover closes the slot; the cover cap is abutted with the vibration reduction support through the vibration reduction pad to fix the power device.

5. The vibration damping assembly according to claim 4, wherein the power unit has a main plate at one end thereof, and the main plate, the vibration damping bracket and the cover are penetrated by an output shaft of the power unit.

6. The vibration damping assembly according to claim 1, wherein the vibration damping pad comprises a first pad body and a second pad body which are oppositely arranged, and the first pad body and the second pad body are sleeved outside the vibration damping bracket from two sides and are mutually spliced so as to be wrapped outside the vibration damping bracket.

7. The vibration damping assembly according to claim 1, wherein the power unit is provided with a mounting boss, and a protruding positioning lug is formed on the side surface of the mounting boss; and positioning ribs are formed on the inner side of the end face of the vibration reduction support and clamped on two sides of the positioning lug to fix the power device.

8. The damping assembly of claim 7 wherein the damping mount end face is bolted to the locating tab.

9. The vibration damping assembly according to claim 1, wherein the inner wall of the slot is formed with oppositely arranged limiting ribs, the vibration damping pad is inserted into the slot along the limiting ribs, and the tail ends of the limiting ribs are abutted with the outer wall of the vibration damping pad.

10. A fan comprising a vibration damping assembly as claimed in any one of claims 1 to 9.

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